* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #0066cc;
    --secondary-blue: #004999;
    --light-blue: #3399ff;
    --accent-blue: #00aaff;
    --white: #ffffff;
    --light-gray: #f5f7fa;
    --medium-gray: #e1e8ed;
    --text-dark: #1a1a2e;
    --text-gray: #6b7280;
    --shadow: rgba(0, 102, 204, 0.1);
    --shadow-hover: rgba(0, 102, 204, 0.2);
    --gradient: linear-gradient(135deg, #0066cc 0%, #00aaff 100%);
    --spacing-unit: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    /* max-width: 1200px; */
    margin: 0 auto;
    padding: 0 24px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-blue);
    cursor: pointer;
}

.logo .logo-img {
    width: 190px;
    height: auto;
}

.logo i {
    font-size: 28px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-blue);
    cursor: pointer;
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    overflow: hidden;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.pexels.com/photos/163726/belgium-antwerp-sunrise-light-163726.jpeg?auto=compress&cs=tinysrgb&w=1920') center/cover;
    opacity: 0.15;
}

.hero-content {
    position: relative;
    text-align: center;
    color: var(--white);
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.highlight {
    /* color: var(--accent-blue); */
    color: #ee7c1c;
    text-shadow: 0 0 30px rgba(0, 170, 255, 0.5);
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-blue);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-gray);
}

.about {
    background: var(--light-gray);
}

.about-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 48px;
}

.mission-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.value-card {
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 8px 24px var(--shadow);
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px var(--shadow-hover);
}

.value-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.value-icon i {
    font-size: 28px;
    color: var(--white);
}

.value-card h3 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.value-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 8px 24px var(--shadow);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: 0 16px 40px var(--shadow-hover);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
}

.service-icon i {
    font-size: 36px;
    color: var(--white);
}

.service-card h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.service-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

.portfolio {
    background: var(--light-gray);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.portfolio-item {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 8px 24px var(--shadow);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 102, 204, 0.95), transparent);
    color: var(--white);
    padding: 32px 24px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay {
    transform: translateY(0);
}

.portfolio-overlay h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.portfolio-overlay p {
    font-size: 14px;
    opacity: 0.9;
}

.testimonials {
    background: var(--white);
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.testimonials-track {
    position: relative;
    min-height: 300px;
}

.testimonial-card {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 48px;
    border-radius: 24px;
    box-shadow: 0 8px 32px var(--shadow);
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.5s ease;
    pointer-events: none;
}

.testimonial-card.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.quote-icon {
    font-size: 36px;
    color: var(--primary-blue);
    margin-bottom: 24px;
}

.testimonial-content p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 32px;
    font-style: italic;
}

.testimonial-author h4 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.testimonial-author p {
    font-size: 14px;
    color: var(--text-gray);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--white);
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.slider-btn:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
    left: -24px;
}

.slider-btn.next {
    right: -24px;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--medium-gray);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary-blue);
    width: 32px;
    border-radius: 6px;
}

.customers {
    background: var(--light-gray);
    padding: 80px 0;
}

.customers-slider {
    overflow: hidden;
    padding: 32px 0;
}

.customers-track {
    display: flex;
    gap: 48px;
    animation: scroll 30s linear infinite;
}

.customer-logo {
    flex-shrink: 0;
    background: var(--white);
    padding: 32px 48px;
    border-radius: 16px;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-blue);
    box-shadow: 0 4px 16px var(--shadow);
    white-space: nowrap;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.customers-track:hover {
    animation-play-state: paused;
}

.contact {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 24px;
    border: 2px solid var(--medium-gray);
    border-radius: 16px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-form .form-group select {
    width: 100% !important;
    padding: 16px 24px !important;
    border: 2px solid var(--medium-gray) !important;
    border-radius: 16px !important;
    font-family: 'Poppins', sans-serif !important;
    font-size: 16px !important;
    background-color: var(--white) !important;
    color: #333 !important;
    cursor: pointer !important;

    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;

    background-image: url("data:image/svg+xml,%3Csvg fill='none' stroke='%23666' stroke-width='2' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6'%3E%3C/path%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 20px center !important;
    background-size: 16px !important;
}


/* focus effect same as input */
.contact-form .form-group select:focus {
    outline: none !important;
    border-color: var(--primary-blue) !important;
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1) !important;
}


.contact-form .btn-primary {
    background: var(--gradient);
    color: var(--white);
    align-self: flex-start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.info-card {
    background: var(--light-gray);
    padding: 32px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.info-card:hover {
    background: var(--white);
    box-shadow: 0 8px 24px var(--shadow);
    transform: translateX(8px);
}

.info-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.info-icon i {
    font-size: 24px;
    color: var(--white);
}

.info-card h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.info-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

.footer {
    background: var(--text-gray);
    color: var(--white);
    padding: 48px 0 32px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* padding-bottom: 32px; */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo i {
    font-size: 24px;
    color: var(--accent-blue);
}

.footer-logo .logo-img {
    width: 311px;
    height: 110px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-blue);
    transform: translateY(-4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 12px;
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 968px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        transition: left 0.3s ease;
    }

    .nav-links.active {
        left: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .slider-btn.prev {
        left: 0;
    }

    .slider-btn.next {
        right: 0;
    }

    .testimonial-card {
        padding: 32px 24px;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}

@media (max-width: 640px) {
    section {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .service-card,
    .value-card {
        padding: 32px 24px;
    }

    .customers-track {
        gap: 24px;
    }

    .customer-logo {
        padding: 24px 32px;
        font-size: 16px;
    }
}